National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

76°F

24°C

Humidity 88%
Wind Speed E 3 mph
Barometer 29.97 in (1013.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 10 Aug 10:53 pm CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 73. Calm wind becoming east northeast around 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 2pm. Some of the storms could be severe and produce heavy rainfall. High near 80. South southeast wind around 5 mph becoming west in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 80 °F

    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 69. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 73. Calm wind becoming east northeast around 5 mph.
Tuesday
Showers and thunderstorms, mainly before 2pm. Some of the storms could be severe and produce heavy rainfall. High near 80. South southeast wind around 5 mph becoming west in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 69. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 76.
Friday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Saturday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69.
Sunday
A chance of showers. Partly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66.
Monday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
8:51 pm CDT Aug 10, 2026
Forecast Valid:
12am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation